UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: August 7, 2015 12:00 P.M.
Form: S-4
CIK: 0001571371
Company Name: Summit Materials, LLC
File Number: 333-206054
CIK: 0001648751
Company Name: Concrete Supply of Topeka, Inc.
File Number: 333-206054-29
CIK: 0001648752
Company Name: Lewis & Lewis, Inc.
File Number: 333-206054-28
CIK: 0001648732
Company Name: Colorado County Sand & Gravel Co., L.L.C.
File Number: 333-206054-27
CIK: 0001648738
Company Name: Kilgore Partners, L.P.
File Number: 333-206054-26
CIK: 0001648739
Company Name: Green America Recycling, LLC
File Number: 333-206054-25
CIK: 0001648740
Company Name: Penny's Concrete & Ready Mix, L.L.C.
File Number: 333-206054-24
CIK: 0001571406
Company Name: Bourbon Limestone Co
File Number: 333-206054-23
CIK: 0001571422
Company Name: B&B Resources, Inc.
File Number: 333-206054-22
CIK: 0001620241
Company Name: Troy Vines, Inc
File Number: 333-206054-21
CIK: 0001571854
Company Name: SCS Materials, LLC
File Number: 333-206054-20
CIK: 0001571418
Company Name: Industrial Asphalt, LLC
File Number: 333-206054-19
CIK: 0001620242
Company Name: Buckhorn Materials, LLC
File Number: 333-206054-18
CIK: 0001571393
Company Name: Con-Agg of MO, L.L.C.
File Number: 333-206054-17
CIK: 0001571409
Company Name: Hinkle Contracting Company, LLC
File Number: 333-206054-16
CIK: 0001571377
Company Name: Elam Construction, Inc.
File Number: 333-206054-15
CIK: 0001571403
Company Name: N.R. Hamm Quarry, LLC
File Number: 333-206054-14
CIK: 0001571412
Company Name: N.R. Hamm Contractor, LLC
File Number: 333-206054-13
CIK: 0001571410
Company Name: Hamm, Inc.
File Number: 333-206054-12
CIK: 0001571400
Company Name: Cornejo & Sons, L.L.C.
File Number: 333-206054-11
CIK: 0001620248
Company Name: Summit Materials International, LLC
File Number: 333-206054-10
CIK: 0001571376
Company Name: Summit Materials Holdings II, LLC
File Number: 333-206054-09
CIK: 0001571374
Company Name: Summit Materials Corporations I, Inc.
File Number: 333-206054-08
CIK: 0001571415
Company Name: RK Hall, LLC
File Number: 333-206054-07
CIK: 0001571210
Company Name: Kilgore Companies, LLC
File Number: 333-206054-06
CIK: 0001571274
Company Name: Continental Cement Company, L.L.C.
File Number: 333-206054-05
CIK: 0001571397
Company Name: Austin Materials, LLC
File Number: 333-206054-04
CIK: 0001602836
Company Name: Alleyton Services Company, LLC
File Number: 333-206054-03
CIK: 0001602835
Company Name: Alleyton Resource Company, LLC
File Number: 333-206054-02
CIK: 0001571522
Company Name: Summit Materials Finance Corp.
File Number: 333-206054-01